Veszelyite Mineral Data

Veszelyite Mineral Data
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General Veszelyite Information

Help on Chemical Formula: Chemical Formula: (Cu,Zn)2ZnPO4(OH)3•2(H2O)
Help on Composition: Composition: Molecular Weight = 375.43 gm
   Zinc        26.13 %  Zn   32.52 % ZnO
   Copper      25.39 %  Cu   31.78 % CuO
   Phosphorus   8.25 %  P    18.90 % P2O5
   Hydrogen     1.88 %  H    16.80 % H2O
   Oxygen      38.35 %  O
              ______        ______ 
              100.00 %      100.00 % = TOTAL OXIDE
Help on Empirical Formula: Empirical Formula: Cu1.5Zn0.5Zn(PO4)(OH)3•2(H2O)
Help on Environment: Environment: Found with secondary copper minerals.
Help on IMA Status: IMA Status: Valid Species (Pre-IMA) 1874
Help on Locality: Locality: Moravicza (Vasko) in the Banat, Romania. Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: Named for A. Veszelyi (1820-1888), Hungarian mining engineer who discovered the mineral.
Help on Name Pronunciation: Name Pronunciation: Veszelyite + Pronunciation Say VESZELYITE
Help on Synonym: Synonym: ICSD 6209
  PDF 12-525
 

Veszelyite Image

Click Here for Larger Veszelyite Image in a New Browser Window Images:
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Veszelyite

Comments: Terminated and lustrous crystals of blue-green veszelyite to 0.5 cm in length.
Location: Black Pine Mine, Philipsburg, Granite County, Montana, USA. Scale: Picture size 3 cm.
© John Veevaert

Veszelyite Crystallography
Help on Axial Ratios: Axial Ratios: a:b:c =0.9612:1:0.7366
Help on Cell Dimensions: Cell Dimensions: a = 9.828, b = 10.224, c = 7.532, Z = 4; beta = 103.18° V = 736.89 Den(Calc)= 3.38
Help on Crystal System: Crystal System: Monoclinic - PrismaticH-M Symbol (2/m) Space Group: P 21/a
Help on X Ray Diffraction: X Ray Diffraction: By Intensity(I/Io): 3.642(1), 6.96(0.4), 4.489(0.3),
Click Here for Large Veszelyite Structure Window Crystal Structure:

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Ghose S , Leo S R , Wan C , American Mineralogist , 59 (1974) p.573-581, Structural chemistry of copper and zinc minerals. Part I. Veszelyite,, (Cu,Zn)2ZnPO4(OH)3.2H2O: A novel type of sheet structure and crystal, chemistry of copper-zinc substitution

 

Physical Properties of Veszelyite

Help on Cleavage: Cleavage: {001} Good, {110} Good
Help on Color: Color: Blue green, Green, Dark blue.
Help on Density: Density: 3.4
Help on Diaphaneity: Diaphaneity: Translucent
Help on Habit: Habit: Equant Grains - Granular material with equel dimensions in x, y, and z.
Help on Habit: Habit: Massive - Granular - Common texture observed in granite and other igneous rock.
Help on Habit: Habit: Tabular - Form dimensions are thin in one direction.
Help on Hardness: Hardness: 3.5-4 - Copper Penny-Fluorite
Help on Luster: Luster: Vitreous (Glassy)
Help on Streak: Streak: blue
 

Optical Properties of Veszelyite

Help on Gladstone-Dale: Gladstone-Dale: CI meas= 0.032 (Excellent) - where the CI = (1-KPDmeas/KC)
CI calc= 0.027 (Excellent) - where the CI = (1-KPDcalc/KC)
KPDcalc= 0.1919,KPDmeas= 0.1907,KC= 0.1971
Ncalc = 1.67
Help on Optical Data: Optical Data: Biaxial (+), a=1.618-1.64, b=1.622-1.658, g=1.658-1.695, bire=0.0400-0.0550, 2V(Calc)=38-72, 2V(Meas)=38.5. Dispersion r < v weak to strong.
Help on Pleochroism (x): Pleochroism (x): greenish blue.
Help on Pleochroism (z): Pleochroism (z): blue.
 

Calculated Properties of Veszelyite

Help on Electron Density: Electron Density: Bulk Density (Electron Density)=3.29 gm/cc
note: Specific Gravity of Veszelyite =3.38 gm/cc.
Help on Fermion Index: Fermion Index: Fermion Index = 0.01
Boson Index = 0.99
Help on Photoelectric: Photoelectric: PEVeszelyite = 24.30 barns/electron
U=PEVeszelyite x rElectron Density= 79.84 barns/cc.
Help on Radioactivity: Radioactivity: GRapi = 0 (Gamma Ray American Petroleum Institute Units)
Veszelyite is Not Radioactive
 

Veszelyite Classification
Help on Dana Class: Dana Class: 42.02.03.01 (42)Hydrated Phosphates, etc., Containing Hydroxyl or Halogen
  (42.02)where (AB)3 (XO4) Zq · x(H2O)
  (42.02.03)Dana Group
 
42.02.03.01 Veszelyite (Cu,Zn)2ZnPO4(OH)3•2(H2O) P 21/a 2/m
Help on Strunz Class: Strunz Class: 08.DA.30 08 - PHOSPHATES, ARSENATES, VANADATES
  08.D - Phosphates, etc
  08.DA -With small (and occasionally larger) cations
 
08.DA.30 Veszelyite (Cu,Zn)2ZnPO4(OH)3•2(H2O) P 21/a 2/m
 

Other Veszelyite Information
Help on References: References: NAME( Dana8) PHYS. PROP.(Enc. of Minerals,2nd ed.,1990) OPTIC PROP.(Dana8)
Help on See Also: See Also: Links to other databases for Veszelyite :
1 - Am. Min. Crystal Structure Database
2 - Amethyst Galleries' Mineral Gallery
3 - Athena
4 - EUROmin Project
5 - Ecole des Mines de Paris
6 - Google Images
7 - Google Scholar
8 - Handbook of Mineralogy (MinSocAm)
9 - MinDAT
10 - MinMax(Deutsch)
11 - MinMax(English)
12 - Mineralienatlas (Deutsch)
13 - QUT Mineral Atlas
14 - Ruff.Info
15 - WWW-MINCRYST

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Veszelyite

(Cu,Zn)2ZnPO4(OH)3•2(H2O)
Dana No: 42.02.03.01 Strunz No: 08.DA.30
Locality:

 

Notes: